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High-Resolution Ultrasonography of Xenografted Domestic Cat Ovarian Cortex

FASSBENDER, Mirja ; HILDEBRANDT, Thomas Bernd ; PARIS, Monica Christina Johanna ; [et al.]

Japanese Society of Animal Reproduction ; 2007

In: Journal of Reproduction and Development Vol. 53, No. 5 ( 2007), p. 1023-1034

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In: Journal of Reproduction and Development, Japanese Society of Animal Reproduction, Vol. 53, No. 5 ( 2007), p. 1023-1034

Type of Medium: Online Resource

ISSN: 0916-8818 , 1348-4400

URL: Article

DOI: 10.1262/jrd.19021

Language: English

Publisher: Japanese Society of Animal Reproduction

Publication Date: 2007

detail.hit.zdb_id: 2039060-9

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Unraveling the gut microbiome of the long-lived naked mole-rat

Debebe, Tewodros ; Biagi, Elena ; Soverini, Matteo ; [et al.]

Springer Science and Business Media LLC ; 2017

In: Scientific Reports Vol. 7, No. 1 ( 2017-08-29)

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In: Scientific Reports, Springer Science and Business Media LLC, Vol. 7, No. 1 ( 2017-08-29)

Abstract: The naked mole-rat ( Heterocephalus glaber ) is a subterranean mouse-sized African mammal that shows astonishingly few age-related degenerative changes and seems to not be affected by cancer. These features make this wild rodent an excellent model to study the biology of healthy aging and longevity. Here we characterize for the first time the intestinal microbial ecosystem of the naked mole-rat in comparison to humans and other mammals, highlighting peculiarities related to the specific living environment, such as the enrichment in bacteria able to utilize soil sulfate as a terminal electron acceptor to sustain an anaerobic oxidative metabolism. Interestingly, some compositional gut microbiota peculiarities were also shared with human gut microbial ecosystems of centenarians and Hadza hunter-gatherers, considered as models of a healthy gut microbiome and of a homeostatic and highly adaptive gut microbiota-host relationship, respectively. In addition, we found an enrichment of short-chain fatty acids and carbohydrate degradation products in naked mole-rat compared to human samples. These data confirm the importance of the gut microbial ecosystem as an adaptive partner for the mammalian biology and health, independently of the host phylogeny.

Type of Medium: Online Resource

ISSN: 2045-2322

URL: Article

DOI: 10.1038/s41598-017-10287-0

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2017

detail.hit.zdb_id: 2615211-3

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The microenvironment of naked mole‐rat burrows in East Africa

Holtze, Susanne ; Braude, Stanton ; Lemma, Alemayehu ; [et al.]

Wiley ; 2018

In: African Journal of Ecology Vol. 56, No. 2 ( 2018-06), p. 279-289

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In: African Journal of Ecology, Wiley, Vol. 56, No. 2 ( 2018-06), p. 279-289

Abstract: Les rats‐taupes ( Heterocephalus glaber ) peuvent vivre extrêmement longtemps et sont résistants au cancer. On les a donc proposés comme organismes modèles de vieillissement tardif. Leur adaptation à un environnement hypoxique et hypercapnique constant a été suggérée comme raison de leur apparente capacité à tolérer un stress oxydant. Pourtant, on sait peu de choses de l'habitat naturel auquel l'espèce s'est adaptée. L'environnement des terriers de rats‐taupes a été étudié en Éthiopie et au Kenya. Malgré la thermolabilité bien notée des rats‐taupes, la température de la peau à la capture variait (23.7–35.4°C), principalement dans la zone thermo‐neutre de l'espèce, ce qui prouve leur capacité de maintenir leur homéothermie même dans les amples fluctuations de température (24.6–48.8°C) et d'humidité (31.2%–92.8%) des terriers, bien plus grandes que ce qui avait été rapporté précédemment. La température des terriers alterne régulièrement entre le jour et la nuit, entraînant des courants de convection qui font circuler l'air dans les tunnels. Par conséquent, les concentrations de CO 2 et d'O 2 dans les terriers ne variaient que peu par rapport à celles de l'atmosphère en surface. Ceci contredit le postulat d'une hypoxie/hypercapnie dans les terriers. En plus de la diffusion, du déplacement des animaux et d'une ventilation occasionnelle provoquée par le vent, nos données confortent le modèle de circulation causée par la température. Le terrier d'un rat‐taupe est un microenvironnement souterrain relativement normoxique avec d'importantes fluctuations de température et d'humidité.

Type of Medium: Online Resource

ISSN: 0141-6707 , 1365-2028

URL: Issue

URL: Article

DOI: 10.1111/aje.2018.56.issue-2

DOI: 10.1111/aje.12448

Language: English

Publisher: Wiley

Publication Date: 2018

detail.hit.zdb_id: 2019879-6

SSG: 12

SSG: 14

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Rhinoceros Feet Step Out of a Rule-of-Thumb: A Wildlife Imaging Pioneering Approach of Synchronized Computed Tomography-Digital Radiography

Galateanu, Gabriela ; Hermes, Robert ; Saragusty, Joseph ; [et al.]

Public Library of Science (PLoS) ; 2014

In: PLoS ONE Vol. 9, No. 6 ( 2014-6-25), p. e100415-

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In: PLoS ONE, Public Library of Science (PLoS), Vol. 9, No. 6 ( 2014-6-25), p. e100415-

Type of Medium: Online Resource

ISSN: 1932-6203

URL: Article

DOI: 10.1371/journal.pone.0100415

DOI: 10.1371/journal.pone.0100415.g001

DOI: 10.1371/journal.pone.0100415.g002

DOI: 10.1371/journal.pone.0100415.g003

DOI: 10.1371/journal.pone.0100415.g004

DOI: 10.1371/journal.pone.0100415.g005

DOI: 10.1371/journal.pone.0100415.g006

DOI: 10.1371/journal.pone.0100415.g007

DOI: 10.1371/journal.pone.0100415.g008

DOI: 10.1371/journal.pone.0100415.g009

DOI: 10.1371/journal.pone.0100415.g010

DOI: 10.1371/journal.pone.0100415.t001

DOI: 10.1371/journal.pone.0100415.s001

DOI: 10.1371/journal.pone.0100415.s002

DOI: 10.1371/journal.pone.0100415.s003

DOI: 10.1371/journal.pone.0100415.s004

DOI: 10.1371/journal.pone.0100415.s005

DOI: 10.1371/journal.pone.0100415.s006

DOI: 10.1371/journal.pone.0100415.s007

DOI: 10.1371/journal.pone.0100415.s008

DOI: 10.1371/journal.pone.0100415.s009

DOI: 10.1371/journal.pone.0100415.s010

DOI: 10.1371/journal.pone.0100415.s011

DOI: 10.1371/journal.pone.0100415.s012

DOI: 10.1371/journal.pone.0100415.s013

Language: English

Publisher: Public Library of Science (PLoS)

Publication Date: 2014

detail.hit.zdb_id: 2267670-3

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Monitoring health and reproductive status of olms (Proteus anguinus) by ultrasound

Holtze, Susanne ; Lukač, Maja ; Cizelj, Ivan ; [et al.]

Public Library of Science (PLoS) ; 2017

In: PLOS ONE Vol. 12, No. 8 ( 2017-8-15), p. e0182209-

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In: PLOS ONE, Public Library of Science (PLoS), Vol. 12, No. 8 ( 2017-8-15), p. e0182209-

Type of Medium: Online Resource

ISSN: 1932-6203

URL: Article

DOI: 10.1371/journal.pone.0182209

DOI: 10.1371/journal.pone.0182209.g001

DOI: 10.1371/journal.pone.0182209.g002

DOI: 10.1371/journal.pone.0182209.g003

DOI: 10.1371/journal.pone.0182209.g004

DOI: 10.1371/journal.pone.0182209.t001

DOI: 10.1371/journal.pone.0182209.t002

DOI: 10.1371/journal.pone.0182209.s001

DOI: 10.1371/journal.pone.0182209.s002

DOI: 10.1371/journal.pone.0182209.s003

DOI: 10.1371/journal.pone.0182209.s004

Language: English

Publisher: Public Library of Science (PLoS)

Publication Date: 2017

detail.hit.zdb_id: 2267670-3

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Differential detection of tuberculous and non-tuberculous mycobacteria by qPCR in lavage fluids of tuberculosis-suspicious white rhinoceros

Hermes, Robert ; Saragusty, Joseph ; Moser, Irmgard ; [et al.]

Public Library of Science (PLoS) ; 2018

In: PLOS ONE Vol. 13, No. 11 ( 2018-11-28), p. e0207365-

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In: PLOS ONE, Public Library of Science (PLoS), Vol. 13, No. 11 ( 2018-11-28), p. e0207365-

Type of Medium: Online Resource

ISSN: 1932-6203

URL: Article

DOI: 10.1371/journal.pone.0207365

DOI: 10.1371/journal.pone.0207365.g001

DOI: 10.1371/journal.pone.0207365.g002

DOI: 10.1371/journal.pone.0207365.g003

DOI: 10.1371/journal.pone.0207365.t001

DOI: 10.1371/journal.pone.0207365.t002

DOI: 10.1371/journal.pone.0207365.t003

DOI: 10.1371/journal.pone.0207365.s001

Language: English

Publisher: Public Library of Science (PLoS)

Publication Date: 2018

detail.hit.zdb_id: 2267670-3

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Cryopreservation in rhinoceros—Setting a new benchmark for sperm cryosurvival

Hermes, Robert ; Hildebrandt, Thomas Bernd ; Göritz, Frank ; [et al.]

Public Library of Science (PLoS) ; 2018

In: PLOS ONE Vol. 13, No. 7 ( 2018-7-11), p. e0200154-

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In: PLOS ONE, Public Library of Science (PLoS), Vol. 13, No. 7 ( 2018-7-11), p. e0200154-

Type of Medium: Online Resource

ISSN: 1932-6203

URL: Article

DOI: 10.1371/journal.pone.0200154

DOI: 10.1371/journal.pone.0200154.g001

DOI: 10.1371/journal.pone.0200154.g002

DOI: 10.1371/journal.pone.0200154.t001

DOI: 10.1371/journal.pone.0200154.t002

DOI: 10.1371/journal.pone.0200154.t003

DOI: 10.1371/journal.pone.0200154.s001

Language: English

Publisher: Public Library of Science (PLoS)

Publication Date: 2018

detail.hit.zdb_id: 2267670-3

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Sonomorphology of the reproductive tract in male and pregnant and non-pregnant female Rothschild's giraffes (Giraffa camelopardalis rotschildi)

Lueders, Imke ; Niemuller, Cheryl ; Pootoolal, Jason ; [et al.]

Elsevier BV ; 2009

In: Theriogenology Vol. 72, No. 1 ( 2009-07), p. 22-31

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In: Theriogenology, Elsevier BV, Vol. 72, No. 1 ( 2009-07), p. 22-31

Type of Medium: Online Resource

ISSN: 0093-691X

URL: Article

DOI: 10.1016/j.theriogenology.2009.01.016

Language: English

Publisher: Elsevier BV

Publication Date: 2009

detail.hit.zdb_id: 1498777-6

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Abundance and size of hyaluronan in naked mole-rat tissues and plasma

del Marmol, Delphine ; Holtze, Susanne ; Kichler, Nadia ; [et al.]

Springer Science and Business Media LLC ; 2021

In: Scientific Reports Vol. 11, No. 1 ( 2021-04-12)

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In: Scientific Reports, Springer Science and Business Media LLC, Vol. 11, No. 1 ( 2021-04-12)

Abstract: Large amounts of ultra-high molecular weight hyaluronan (HA) have been described as the main cause of cancer resistance in naked mole-rats ( Heterocephalus glaber , NMR). Our work examined HA metabolism in these rodents more closely. HA was localized and quantified using HA binding proteins. Its molecular weight was determined using size exclusion chromatography and gel electrophoresis, HA family gene expression using RNAseq analysis, and hyaluronidase activity using zymography. Guinea pigs ( Cavia porcellus ) and mice ( Mus musculus ) were used as controls for some experiments. We found that HA localization was similar in NMR, guinea pig, and mouse tissues but NMR had larger amounts and higher molecular weight (maximum, around 2.5 MDa) of HA in serum and almost all tissues tested. We could not find ultra-high molecular weight HA (≥ 4 MDa) in NMR samples, in contrast to previous descriptions. Hyaluronidase-1 had lower expression and activity in NMR than mouse lymph nodes. RNAseq results showed that, among HA family genes, Tnfaip6 and hyaluronidase-3 ( Hyal3 ) were systematically overexpressed in NMR tissues. In conclusion, NMR samples, contrary to expectations, do not harbor ultra-high molecular weight HA, although its amount and average molecular weight are higher in NMR than in guinea pig tissues and serum. Although hyaluronidase expression and activity are lower in NMR than mouse lymph nodes, this not sufficient to explain the presence of high molecular weight HA. A different activity of the NMR HA synthases remains possible. These characteristics, together with extremely high Hyal3 and Tnfaip6 expression, may provide the NMR with a bespoke, and perhaps protective, HA metabolism.

Type of Medium: Online Resource

ISSN: 2045-2322

URL: Article

DOI: 10.1038/s41598-021-86967-9

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2021

detail.hit.zdb_id: 2615211-3

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Hematologic adaptation to the subterranean environment by the naked mole-rat, Heterocephalus glaber (Ctenohystrica: Heterocephalidae)

Holtze, Susanne ; Koch, Rosie ; Hildebrandt, Thomas Bernd ; [et al.]

Oxford University Press (OUP) ; 2020

In: Journal of Mammalogy Vol. 101, No. 4 ( 2020-09-09), p. 1000-1009

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In: Journal of Mammalogy, Oxford University Press (OUP), Vol. 101, No. 4 ( 2020-09-09), p. 1000-1009

Abstract: One method burrowing animals are hypothesized to use in adapting to the presumed hypoxic subterranean environment is increasing the oxygen-carrying capacity of blood. A number of recent studies have examined hematologic parameters in laboratory-reared naked mole-rats, but not in animals living under natural atmospheric conditions. To our knowledge, blood chemistry parameters have never been systematically assessed in a fossorial mammal. In this study we examined the blood of wild naked mole-rats in Kenya and Ethiopia to determine whether their blood chemistry differs significantly from naked mole-rats born and living in captivity. We also compared our results to published values for hystricomorphs, other subterranean rodents, and surface-dwelling rodents of similar size.

Type of Medium: Online Resource

ISSN: 0022-2372 , 1545-1542

URL: Article

DOI: 10.1093/jmammal/gyaa053

RVK:

WA 15000

Language: English

Publisher: Oxford University Press (OUP)

Publication Date: 2020

detail.hit.zdb_id: 2066602-0

SSG: 12

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